Airmen arm falcons
U.S. Air Force Airman 1st Class Michael Tilton, 20th Equipment Maintenance Squadron weapons technician, makes timing marks on a gear at Shaw Air Force Base, S.C., May 22, 2017. Tilton marked the gears to ensure they are properly aligned, or in time, with each other to correctly feed rounds of munitions to the transfer unit. (U.S. Air Force photo by Airman 1st Class Kathryn R.C. Reaves)